[4]  He is also (and has been since 1995) the Executive Director of the New York/New Jersey HIDTA],[5] a federal grant program that invests in law enforcement partnerships to build safe and healthy communities.

[citation needed] After graduating from law school in 1986, he began his career in the Manhattan District Attorney's Office, where he served for five years under Manhattan District Attorney Robert M.

[citation needed] In 2010, Parker returned to the Manhattan DA's Office as an Executive Assistant District Attorney under Manhattan District Attorney Cyrus Vance Jr.[citation needed]  On December 9, 2019, NYPD Police Commissioner Dermot Shea appointed Parker to his current position as the Deputy Commissioner for Collaborative Policing.

[6] During his career, Parker has helped create and build[citation needed] several key law enforcement partnerships, including: Parker is the recipient of the United States Department of Justice Award for Distinguished Service;[13] the J. Edward Lumbard Award from the United States Attorney's Office for the Southern District of New York; and the Rx and Illicit Drug Summit's Congressman Hal Rogers Beacon of Hope Award.

[14] Parker also serves on the Board of Directors[15] of the Joyful Heart Foundation, a nonprofit founded by actress and advocate Mariska Hargitay and dedicated to creating "a world free of sexual assault, domestic violence and child abuse."